Demountable rim



Feb. 12, 1929.

T. A. KECK, JR

DEMOUNTABLE} RIM Filed July 30, 1927 2 Sheets-Sheet gnoqnlot Theodore/1.120% J1 Feb. 12, 1929. 1,702,163

, T. A. KECK. JR

I-DEMOUNTABLEI RIM Filed July 30, 1

2 Sheets-Shea 2 INVENTOR Theodore/ I. Keck Jr.

A TTORNEYJ on 7M 1M Patented Feb. 12, 1929.

THEODORE A. KECK, JIL, OF RICHMOND, VIRGINIA.

DEMOUNTABLE RIM.

Application filed July 30, 1927. Serial No. 209,480.

My invention relates to improvements in Figure 3 shows a modified formof a screw automobile rims and more particularly to 6 wherein theopening in key 4 is threaded those having one detachable tire engagingso as to receive the threaded portion 12 of ring. screw 6 which isplaced on the end instead of 5 The principal object of this invention isto adj aeent to the head as shown in Figure 1.

provide means for removing the tire without By having the threadedportion of screw the removal of the usual lugs. 6 adjacent the head, asshown in Figure 1,

.i-iinother object of this invention is to prothe plain end 7 willcoincide with the open- 'ide means for securely locking the ring in ing5 in the key 4 and hold the same securely 10 place, in position. Asshown in Figure 3, it may lVith the foregoing general objects in view,be preferable to have the threaded portion the invention resides in thenovel features of on the end of the screw 6 adapted to engageconstruction and unique combination of parts threads on the key 4,instead of the ring 3.

to behercinafter fully described and claimed; In removing the tire fromthe rim, the

the descriptive matter being supplemented screws 6 of which there arepreferably about by the accompanying drawings which form four spacedaround the ring, are removed, the

a part of this specification in which keys 4 are then lifted up and thering 3 slid Figure 1 a cross sectional view of the run from the rimmember 1. The tire can then and a portion of tire; easily be removedfrom y the rim member.

Figure 2 is a fragmentary side elevation It will be noted that it is notnecessary to reof the ring; move the rim from the wheel, nor to removeFigure is a section similar to Figure 1 the nuts from the bolts commonlyused in con showing a modified form of attaching the nection with thenumerous lugs for holding ring to the rim; the rim on the wheel.

Figure l is a section showing a modified The modified form shown inFigures 4, 5, form of means for attaching ring to the rim and 6 doesaway with the screw 6 substituting body member; therefor a spring 13resting in a recess14 Figure 5 is a perspective of the key as used inkey 4;. A shoulder 15 acts as a stop for in the modified form as shownin Figure 4; spring 13 when key 4 is in place. a When it an Figure 6 isa fragmentary transverse secis desired to disengage spring 13, ascrewtion of a ring embodying the modification driver or other tool maybe inserted through shown in Figure 1, without the key; an opening inthe ring and spring 13 de- Figure 7 is a fragmentary cross-sectionpressed so as to escape shoulder 15 when the showing another modified.form of means for key may easily be removed. attaching the ring to therim body member. Figure 7 shows a key 4" extending through In thedrawings similar-parts are dcsigthe rim and having a recess 16 thereinso as uaied by like numerals. to form the head 17. The tire is placed onThe numeral 1, designates an automobile the rim body member 1uninflated, the ring rim body member having an inner flange 3 is placedthereon, and the keys 4" dropped 4.51 formed integral therewith, and aring 3 held in place. The tire is then inflated which in place on theouter edge of the rim body causes the entire ring carrying the keys tomember by means of a key 4 having an openmove outward until the recess16 in each ing 5 therein. The screw 6 has a plain end 7 key engages theedge of the rim and the head and a screw-threaded part 8 passing through7, ov rla th underside of the rim holding the ring 3 and key 4. The key4 has shoulders the same securely in place.

Qwhich fit in the opening 10 in the ring 3- lVhen it is desired toremove the tire, the The usual lug 11 is attached to the rim memti i dfl t d, th ing ush d inwardly until her 1. lock washer 19 is adjacentthe the heads of the keys exactly coincide with screw 6. the opening inthe rim body member, where:

portion iming provided wii'h slots corre- W sponding to those in thering, key members passing through said slots in the ring and bodyportion and screw members threaded in the ring from its outer facepassing transversely through the keys to hold same in 15 locked relationto the ring.

In testimony whereof I afiix mysigmeture.

THEODORE A. KECK, JR.

